Humboldt Products

The Wire Gauze with Turned Edges from Humboldt is designed to provide a stable platform for laboratory containers during heating processes. Its turned edges prevent fraying and enhance durability, making it suitable for repeated use. The gauze distributes heat evenly, ensuring consistent temperature...

Economy Sieve Shaker, which complies with ASTM C136 Standards, the Humboldt Motorized Sieve Shaker can be used with 3", 5" and 8" sieves. 1/4 HP motor handles up to (10) 8" sieves, (12) 5" sieves and (16) 3" full-height sieves; and, (18) half-height 8" sieves. 1/4 HP motor, 115V, 60Hz with 30 minute...

Waxes with 250 or less penetration; ASTM D1321; Hardened stainless steel wax penetration needles with tapered point, blunt tip of truncated cone. Ferrule is approx. 3.2mm dia. Wt. 2.5g.

Sand is specially graded natural silica sand to pass a No. 20 (850µ) sieve. Specific gravity is 2.65 Packed in 50 lb. (22.7kg) bags

Lighter and smaller than H-1200 for field work, unit's micrometer adjusts for accurate settings as well as coarse adjustment for approximate settings. Only one additional 50g loading weight is included. Overall dim. 7" x 7" x 16" (178 x 178 x 406mm). Shipping wt. 8 lbs. (3.6kg)

Screw Compressor Clamps are used to control the flow in flexible tubing. The clamps have a machined adjustment screw to permit accurate regulation of the flow. All corners are rounded to prevent cutting of the tubing. The clamps feature brass construction that is plated for corrosion resistance and...

Designed to allow users to mount rod vertically or horizontally. The clamp is cast iron with a black enamel finish.

Hook Collars are used for attaching pulleys, balances, cords, trusses, pendulums, and other apparatus to support rods. The collars are plated for corrosion resistance and are supplied complete with thumbscrew and hook.

Hollow ground cutting blades in a conical arrangement for fast, effective sharpening of cork borers. Blades are hardened tool steel for long life.

Wire Models and Extension Rings Wire Models Formed, bright basic wire circle is welded to shank (except 2" size). Aluminum muff. Attaches to support rods up to 3/4" (19mm) in diameter. Extension Rings Shank of Extension Ring clamps to support rods with clamp holder. Manufactured from steel...

Designed to allow users to mount rod vertically or horizontally. The clamp is cast iron with a black enamel finish. Supplied complete with a 3/8" x 20" (10mm x 508mm) rod (H-21350) or a 1/2" x 24" (13mm x 610mm) rod (H-21360).

Measuring firmness of solid and plasticized fats: shortenings, butter, margarine. AOCS Cc 16-60, 20° aluminum cone, 3.2mm ferrule, 0.8mm stainless steel blunt tip. Overall length 106mm. Wt. 45g.

Made of hardened alloy tool steel. Pestle has ball-end to fit bottom of mortar cavity. Mortar: 3 x 3 x 4-1/2"H (76 x 76 x 114mm); bore: 2" dia x 3" deep (51 x 76mm). Pestle: 9-1/2" (241mm) overall length. Shipping. wt. 16 lbs. (7.3kg)

The Humboldt Mfg. Co extra long tong is suitable for use in research facilities and chemical laboratories while conducting experiments. It is made of high quality material which ensures long lasting usage.

Used to demonstrate the thermo-expansion of metals. In use, the brass ball will pass through the ring easily when both are at the same temperature, and won't pass through at all when heated. The ball and ring are securely mounted on a rod with a wooden handle.

For attaching extension clamps to supports Aluminum construction Has swivel for rods up to 5/8” diameter

The Support Shelf is manufactured from durable cast iron with a raised rim. The shelf diameter is 5" (127mm) and has a 5/16" thumbscrew in the muff. The unit has a black powder-coated finish.

Ideal for intermittent use without frequent relighting. The burner features a sleeve-type air regulator and stopcock for gas control and an integral pilot light tube with screw for adjusting the pilot flame. Specifications: Gas type: Natural Inlet OD: 3/8" (10mm) CFH*: 5.3 BTU Output*: 3,180...

Flat round edge nickel-plated steel wire jaw construction.

Designed for pipe mounting, this burner features a flame stabilizer and a stopcock for gas control. A 1/8" NPT nipple is mounted below the stopcock for pipe mounting. Specifications: Gas type: Natural and LP Inlet OD: 1/8" NPT CFH*: 5.5 BTU Output*: 5,637.5 Overall Height: 6-1/2"...

Humboldt Bunsen Burners are high-quality, American-made burners with nickel-plated, die-cast zinc bases. Burners feature aluminum mixing tubes and serrated gas inlet connections. *Note: CFHs and BTU Outputs are figured on: 5 inch Water Column Pressures for Artificial and Natural Burners. 11 inch...

Humboldt's Adjustable burners utilize the same high-quality die-cast bases as our Standard Burners, but provide a precision needle valve to achieve an accurate, adjustable flame. *Note: CFHs and BTU Outputs are figured on: 5 inch Water Column Pressures for Artificial and Natural Burners. 11 inch...